CVE-2026-90970
GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1 that, under certain conditions, could have allowed an authenticated user with Duo Agent Platform access to escape the prompt template sandbox via a specially crafted flow configuration, resulting in arbitrary command execution on the AI Gateway.
- Published Oct 2, 2026
- CVSS 9.9 critical
- 0.9% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Affected software
In the news
- ⚡ Weekly Recap: NetScaler and FortiMail 0-Days, AI Coding Leaks, Spectre v2 and Ransomware Arrests The Hacker News ·
- Vulnerability in GitLab CERT-FR ·
- GitLab Patches Critical 9.9 AI Gateway Flaw Allowing Command Execution on Self-Hosted Servers The Hacker News ·
- GitLab warns of critical RCE vulnerability in AI Gateway service BleepingComputer ·